Premature Death Rate for Cook County, IL was 531.10000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for Cook County, IL reached a record high of 531.10000 in January of 2020 and a record low of 354.30000 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for Cook County, IL - last updated from the United States Federal Reserve on May of 2024.